What is the relationship between WordPress articles and tags?

Who is familiar with WordPress? What is the relationship between articles and labels? What is the relationship between the table structure? Many get_tag_list () get_tag () Get all or tags associated with the current article, how is this function implemented? Tag Cloud also gets similar articles that are not familiar with WordPress... who is familiar with WordPress? What is the relationship between the article and tag? What is the relationship between the table structure?
Many
Get_tag_list ()
Get_tag ()

Obtain all or tags associated with the current article. How is this function implemented?

Tag Cloud

Also get similar articles

I am not familiar with WordPress. I don't understand WordPress for a long time. Please give me some advice. Thank you!

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Who is familiar with WordPress? What is the relationship between articles and labels? What is the relationship between table structure?
Many
Get_tag_list ()
Get_tag ()

Obtain all or tags associated with the current article. How is this function implemented?

Tag Cloud

Also get similar articles

I am not familiar with WordPress. I don't understand WordPress for a long time. Please give me some advice. Thank you!

A tag is a specific table, and an article is a table. The association between the article and the tag has an association table.

If you want to know the structure, you can directly flip the database or view the database query statement.